package mr.ali.video.generator;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.FileOutConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.TemplateConfig;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

/**
 * @Description: 代码生成类
 */
public class CodeGenerator {
   //数据库连接参数
   public static String driver = "com.mysql.cj.jdbc.Driver";
   public static String url = "jdbc:mysql://43.139.168.145:3306/WebVideo?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true";
   public static String username="root";
   public static String password="kZzdZ8JPT7C82KBi";
   //父级别包名称
   public static String parentPackage = "mr.ali.video.web";
   //代码生成的目标路径
   public static String generateTo = "/Video-generator/src/main/java";
   //mapper.xml的生成路径
   public static String mapperXmlPath = "/Video-generator/src/main/resources/mapper";
   //控制器的公共基类，用于抽象控制器的公共方法，null值表示没有父类
   public static String baseControllerClassName ;// = "cn.tedu.straw.portal.base.BaseController";
   //业务层的公共基类，用于抽象公共方法
   public static String baseServiceClassName ;   // = "cn.tedu.straw.portal.base.BaseServiceImpl";
   //作者名
   public static String author = "Mr-ali";
   //模块名称，用于组成包名
   public static String modelName = "";
   //Mapper接口的模板文件，不用写后缀 .ftl
   public static String mapperTempalte = "/ftl/mapper.java";

   /**
    * <p>
    * 读取控制台内容
    * </p>
    */
   public static String scanner(String tip) {
      Scanner scanner = new Scanner(System.in);
      StringBuilder help = new StringBuilder();
      help.append("请输入" + tip + "：");
      System.out.println(help.toString());
      if (scanner.hasNext()) {
         String ipt = scanner.next();
         if (StringUtils.isNotEmpty(ipt)) {
            return ipt;
         }
      }
      throw new MybatisPlusException("请输入正确的" + tip + "！");
   }

   /**
    * RUN THIS
    */
   public static void main(String[] args) {
      // 代码生成器
      AutoGenerator mpg = new AutoGenerator();

      // 全局配置
      GlobalConfig gc = new GlobalConfig();
      String projectPath = System.getProperty("user.dir");
      gc.setOutputDir(projectPath + generateTo);
      gc.setAuthor(author);
      gc.setOpen(false);
      //设置时间类型为Date
      gc.setDateType(DateType.TIME_PACK);
      //开启swagger
      //gc.setSwagger2(true);
      //设置mapper.xml的resultMap
      gc.setBaseResultMap(true);
      mpg.setGlobalConfig(gc);

      // 数据源配置
      DataSourceConfig dsc = new DataSourceConfig();
      dsc.setUrl(url);
      // dsc.setSchemaName("public");
      dsc.setDriverName(driver);
      dsc.setUsername(username);
      dsc.setPassword(password);
      mpg.setDataSource(dsc);

      // 包配置
      PackageConfig pc = new PackageConfig();
      pc.setEntity("model");
      //pc.setModuleName(scanner("模块名"));
      pc.setModuleName(modelName);
      pc.setParent(parentPackage);
      mpg.setPackageInfo(pc);

      // 自定义配置
      InjectionConfig cfg = new InjectionConfig() {
         @Override
         public void initMap() {
            // to do nothing
         }
      };
      List<FileOutConfig> focList = new ArrayList<>();
      focList.add(new FileOutConfig("/templates/mapper.xml.ftl") {
         @Override
         public String outputFile(TableInfo tableInfo) {
            // 自定义输入文件名称
            return projectPath + mapperXmlPath
                  + "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
         }
      });
      cfg.setFileOutConfigList(focList);
      mpg.setCfg(cfg);
      mpg.setTemplate(new TemplateConfig().setXml(null));
      mpg.setTemplate(new TemplateConfig().setMapper(mapperTempalte));

      // 策略配置
      StrategyConfig strategy = new StrategyConfig();
      strategy.setNaming(NamingStrategy.underline_to_camel);
      //字段驼峰命名
      strategy.setColumnNaming(NamingStrategy.underline_to_camel);
      //设置实体类的lombok
      strategy.setEntityLombokModel(true);
      //设置controller的父类
      if (baseControllerClassName!=null) {
         strategy.setSuperControllerClass(baseControllerClassName);
      }
      //设置服务类的父类
      if (baseServiceClassName !=null ) {
         strategy.setSuperServiceImplClass(baseServiceClassName);
      }
      // strategy.
      //设置实体类属性对应表字段的注解
      strategy.setEntityTableFieldAnnotationEnable(true);
      //设置表名
      String tableName = scanner("表名, all全部表");
      if(! "all".equalsIgnoreCase(tableName)){
         strategy.setInclude(tableName);
      }
      strategy.setTablePrefix(pc.getModuleName() + "_");
      strategy.setRestControllerStyle(true);
      mpg.setStrategy(strategy);

      // 选择 freemarker 引擎需要指定如下加，注意 pom 依赖必须有！
      mpg.setTemplateEngine(new FreemarkerTemplateEngine());
      mpg.execute();
   }

}